Thomas J. McKean

Thomas Jefferson McKean (21 August 1810-19 April 1870) was a Union Army Major-General during the American Civil War.

Biography
Thomas Jefferson McKean was born in Burlington, Bradford County, Pennsylvania in 1810, and he graduated from West Point in 1831, serving in the US Army during the Second Seminole War. He resigned in 1838 to work as a civil engineer, and he relocated to Marion, Iowa in 1840, and he was part of the 1844 constitutional convention. McKean returned to the army during the Mexican-American War, and he was wounded at the Battle of Churubusco. When the American Civil War broke out, he was appointed paymaster of the Union Army, and he went on to lead the cavalry of the Department of the Gulf after 18 September 1861. On 10 April 1862, he was given command of a division in the Army of the Tennessee, fighting at the Second Battle of Corinth. From 1863 to 1865, he commanded numerous districts of Union departments, and he was mustered out in 1865. After the war, he served as Mayor of Marion and attended the 1868 Republican National Convention. He died in 1870.